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Used teste in England, United Kingdom

  • Leitz – WILD MTR27 –

    Leitz – WILD MTR27 – Power Supply transformer – 319553 – 500253

    • Manufacturer: Leitz

    Leitz – WILD MTR27 – Power Supply transformer – 319553 – 500253 Leitz/Wild Power supply for microscopy illumination. In good working condition. Images form part of the description.

    Manchester, United Kingdom
  • Alstom (France) 8MVA 21/11kV Transformer

    Alstom (France) 8MVA 21/11kV Transformer

    • Manufacturer: Alsthom

    This Alstom 8MVA 21/11kV YNd11 oil cooled power transformer is available now from Slaters Electricals. -Fully refurbished and tested prior to dispatch -Short lead-time -Installation and maintenance by our certifi...

    Blaydon, United Kingdom
  • 1992 Winder 6.25MVA 33/11kV YNyn0

    1992 Winder 6.25MVA 33/11kV YNyn0 Step Up Power Transformer (Hire Only)

    • Manufacturer: Winder

    This Winder 6.25MVA 33/11kV YNyn0 oil cooled power step up power transformer is available to hire now from Slaters Electricals. -Tested prior to dispatch -Short lead-time -Installation by our certified engineers ...

    Blaydon, United Kingdom
  • Winder 7MVA 11/3.45kV Transformer

    Winder 7MVA 11/3.45kV Transformer

    • Manufacturer: Winder

    This Winder 7MVA 11/3.45kV Dyn11 oil cooled power transformer is available now from Slaters Electricals. -Fully refurbished and tested prior to dispatch -Short lead-time -Installation and maintenance by our certi...

    Blaydon, United Kingdom
  • Winder 9MVA 11/3.45kV Transformer

    Winder 9MVA 11/3.45kV Transformer

    • Manufacturer: Winder

    This Winder 9MVA 11/3.45kV Dyn11 oil cooled power transformer is available now from Slaters Electricals. -Fully refurbished and tested prior to dispatch -Short lead-time -Installation and maintenance by our certi...

    Blaydon, United Kingdom
  • 1994 Brush 25/31.5MVA 33/11kV Transformer

    1994 Brush 25/31.5MVA 33/11kV Transformer

    • Manufacturer: Brush

    This Brush 25/31.5MVA 33/11kV Dyn11 oil cooled power transformer is available now from Slaters Electricals. -Fully refurbished and tested prior to dispatch -Short lead-time -Installation and maintenance by our ce...

    Blaydon, United Kingdom
  • ABB Nitran 20/33.3MVA 34.5/11kV Transformer

    ABB Nitran 20/33.3MVA 34.5/11kV Transformer

    • Manufacturer: ABB

    This ABB 20/33.3MVA 34.5/11kV Dyn11 oil cooled power transformer is available now from Slaters Electricals. -Fully refurbished and tested prior to dispatch -Short lead-time -Installation and maintenance by our ce...

    Blaydon, United Kingdom
  • Brush 12MVA 11/7.1kV Transformer

    Brush 12MVA 11/7.1kV Transformer

    • Manufacturer: Brush

    This Brush 12MVA 11/7.1kV Dyn11 oil cooled power transformer is available now from Slaters Electricals. -Fully refurbished and tested prior to dispatch -Short lead-time -Installation and maintenance by our certif...

    Blaydon, United Kingdom
  • Brush 12/24MVA 33/11.5kV Transformer

    Brush 12/24MVA 33/11.5kV Transformer

    • Manufacturer: Brush

    This Brush 12/24MVA 33/11.5kV Dyn11 oil cooled power transformer is available now from Slaters Electricals. -Fully refurbished and tested prior to dispatch -Short lead-time -Installation and maintenance by our ce...

    Blaydon, United Kingdom
  • EB Nitran 7MVA 11/3.3kV Transformer

    EB Nitran 7MVA 11/3.3kV Transformer

    • Manufacturer: EB Nitran

    This EB Nitran 7MVA 11/3.3kV Dyn11 oil cooled power transformer is available now from Slaters Electricals. -Fully refurbished and tested prior to dispatch -Short lead-time -Installation and maintenance by our cer...

    Blaydon, United Kingdom
  • Brush 20/40MVA 33/11kV Transformer

    Brush 20/40MVA 33/11kV Transformer

    • Manufacturer: Brush

    This Brush 20/40MVA 33/11kV Dyn11 oil cooled power transformer is available now from Slaters Electricals. -Fully refurbished and tested prior to dispatch -Short lead-time -Installation and maintenance by our cert...

    Blaydon, United Kingdom
  • 1989 ABB Stromberg 32.5/40MVA 132/11kV

    1989 ABB Stromberg 32.5/40MVA 132/11kV Transformer

    • Manufacturer: ABB

    This ABB Stromberg 32.5/40MVA 132/11kV YNyn0 oil cooled power transformer is available now from Slaters Electricals. HV taps range 166.8kV – 123.2kV -Fully refurbished and tested prior to dispatch -Short lead-tim...

    Blaydon, United Kingdom
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    ABB Power T&D 20/40MVA 33/11.5kV Transformer (Dyn11)

    • Manufacturer: ABB

    This ABB 20/40MVA 33/11.5kV Dyn11 oil cooled power transformer is available now from Slaters Electricals. -Fully refurbished and tested prior to dispatch -Short lead-time -Installation and maintenance by our cert...

    Blaydon, United Kingdom
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    ABB Power T&D 7MVA 33/11kV Transformer (Dd0)

    • Manufacturer: ABB

    This ABB 7MVA 33/11kV Dd0 oil cooled power transformer is available now from Slaters Electricals. -Fully refurbished and tested prior to dispatch -Short lead-time -Installation and maintenance by our certified en...

    Blaydon, United Kingdom
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    2011 CHINT 80MVA 66/11.5kV Transformer

    • Manufacturer: Chint

    CHINT 80MVA 66/11.5kVA oil cooled power transformer available now from Slaters Electricals. -Fully refurbished and tested prior to dispatch -Short lead-time -Installation and maintenance by our certified engineer...

    Blaydon, United Kingdom
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Overview

Power transformers transfer electrical energy between voltage levels for utilities, substations, and large industrial plants. These heavy, high-capacity units come in oil-filled or dry-type designs, with cooling classes (ONAN, ONAF, etc.), on-load tap changers, bushings and protection gear. Buyers must match voltage class, impedance, capacity (kVA/MVA), and cooling to system needs, and plan for foundation, handling, transport and commissioning.

FAQ

What specifications should I check when buying a used power transformer?

Confirm voltage ratios, kVA/MVA rating, impedance, cooling type, phase configuration, on-load tap changer condition, bushing types and insulation class, and recent test reports (DGA, insulation resistance, turns ratio).

How do I verify a used transformer's condition before purchase?

Request factory and maintenance records, Dissolved Gas Analysis (DGA), insulation resistance, power factor tests, sweep-frequency response (SFRA) and a visual inspection report for leaks, rust and bushing integrity.

What are the key shipping considerations for heavy power transformers?

Plan for specialized heavy-haul transport, load lifting equipment, route permits, weight/axle limits, skidding or cradling, draining oil if required by regulations, and coordination with local authorities for oversized loads.

What site preparations are needed before delivery and installation?

Prepare a level, rated foundation or skid with proper anchoring, ensure crane access and pad capacity, verify cable entry, grounding, oil containment for liquid-filled units, and arrange for qualified rigging and electrical commissioning crews.

What ongoing maintenance keeps a power transformer reliable?

Perform regular DGA, insulation resistance and oil quality tests, thermographic inspections, tap changer maintenance, bushing checks, cooling system inspections and timely repairs. Follow manufacturer intervals and keep detailed service records.